Cold and hot cylinder is also known as aging tank&comma; cold and hot cylinder belongs to a device in stainless steel container&period; Have the characteristics such as energy-saving&comma; noise reduction&comma; corrosion resistance&comma; strong production capacity&comma; easy cleaning&period; It is widely used in dairy industry&comma; food&comma; pharmaceutical&comma; chemical&comma; beverage and other industrial departments to heat&comma; cool&comma; insulate sterilization processing or store slurry&period; Especially suitable for the pasteurized milk&comma; and is the necessary equipment in ice cream production line&period;